package com.jiao.testdemo.pattern.observer;

import java.util.ArrayList;
import java.util.List;

/**
 * TODO(文件概要)
 *
 * <p> TODO(具体描述信息,可以不填)
 *
 * @author meetsocial
 * @version V1.0
 * @className: ConcreteSubject
 * @date 2024/11/15 11:36
 */
public class ConcreteSubject implements Subject{

    private List<Observer> observers = new ArrayList<>();

    @Override
    public void addObserver(Observer observer) {
        observers.add(observer);
    }

    @Override
    public void removeObserver(Observer observer) {
        observers.remove(observer);
    }

    @Override
    public void notifyObservers(String message) {
        for (Observer observer : observers) {
            observer.update(message);
        }
    }
}
